Guides from The Drop Desk

Plinko, peg by peg.

Plain-English guides to how Plinko works: rows and slot odds, pay tables and RTP, expected value, variance and provably fair verification. Every figure is worked through and re-computed.

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Worked example✓
Data table or checklist✓
Math re-checked✓
Fictional examples labelled✓
Operator rankingsNone

Latest

02 · Math5 min

Plinko risk levels and multiplier tables, explained with RTP math

Low, medium and high risk Plinko use the same ball odds but different pay tables. We turn three fictional 8-row tables into RTP, step by step.

9 Nov 20264 tables

01 · Basics6 min

Plinko myths, checked against the math: drop position, patterns and hot slots

Drop position, bounce patterns, hot slots and "due" edges: seven common Plinko myths, each checked against the binomial math and how online games work.

9 Nov 20261 tables

03 · Fairness6 min

How provably fair Plinko works: from a hash to a ball path

Provably fair Plinko turns seeds and a nonce into a hash, then reads the hash byte by byte as left/right bounces. A fully worked, fictional 8-row example.

9 Nov 20262 tables

01 · Basics6 min

How Plinko works: rows, pegs and the binomial distribution

A Plinko ball makes one left-or-right bounce per row, so its landing slot follows a binomial distribution. Full slot odds for 8, 12 and 16 rows.

9 Nov 20263 tables

02 · Math5 min

Expected value and variance of a Plinko drop (with a 10,000-session simulation)

The expected value of a Plinko drop is RTP minus 1, about −1% per unit on our fictional tables. Variance decides how far a session strays. We simulate it.

9 Nov 20263 tables

Topics

01BasicsHow a Plinko board works: rows, pegs, slots and the myths worth dropping.2 02Odds & mathSlot probabilities, pay tables, RTP, expected value and variance, worked through with numbers you can check.2 03Provably fairSeeds, hashes and how to turn a hash back into a ball path yourself.1

The guide index

Guide	Topic	Words	Tables	FAQ
Plinko risk levels and multiplier tables, explained with RTP math	Math	996	4	Yes
Plinko myths, checked against the math: drop position, patterns and hot slots	Basics	1008	1	Yes
How provably fair Plinko works: from a hash to a ball path	Fairness	1024	2	Yes
How Plinko works: rows, pegs and the binomial distribution	Basics	1148	3	Yes
Expected value and variance of a Plinko drop (with a 10,000-session simulation)	Math	979	3	Yes

What this site is — and isn't

We explain how Plinko works and how to check the numbers yourself. We don't rank sites, name operators or promise wins. No risk level, row count or staking pattern removes the house edge. Plinko is gambling: you should expect to lose the money you put in. 18+ only. Responsible gambling